Single-Season Top 10 Leaders

WAR for Pitchers †
1. Randy Johnson • 2002 10.7
2. Randy Johnson • 2001 10.1
3. Randy Johnson • 1999 9.1
4. Curt Schilling • 2001 8.8
5. Curt Schilling • 2002 8.6
6. Randy Johnson • 2004 8.4
7. Randy Johnson • 2000 8.1
8. Brandon Webb • 2006 7.0
9. Dan Haren • 2009 6.5
10. Brandon Webb • 2007 6.4
Earned Run Average
1. Randy Johnson • 2002 2.32
2. Randy Johnson • 1999 2.48
3. Randy Johnson • 2001 2.49
4. Zac Gallen • 2022 2.54
5. Randy Johnson • 2004 2.6
6. Randy Johnson • 2000 2.64
7. Zac Gallen • 2020 2.75
8. Brandon Webb • 2003 2.84
9. Omar Daal • 1998 2.88
Ian Kennedy • 2011 2.88
Wins
1. Randy Johnson • 2002 24
2. Curt Schilling • 2002 23
3. Curt Schilling • 2001 22
Brandon Webb • 2008 22
5. Randy Johnson • 2001 21
Ian Kennedy • 2011 21
7. Randy Johnson • 2000 19
8. Brandon Webb • 2007 18
9. Zac Gallen • 2023 17
Zack Greinke • 2017 17
Randy Johnson • 1999 17
Win-Loss %
1. Ian Kennedy • 2011 .840
2. Randy Johnson • 2002 .828
3. Curt Schilling • 2001 .786
4. Randy Johnson • 2001 .778
5. Curt Schilling • 2002 .767
6. Brandon Webb • 2008 .759
7. Zac Gallen • 2022 .750
Zac Gallen • 2024 .750
Robbie Ray • 2017 .750
10. Randy Johnson • 2000 .731
Walks & Hits per IP
1. Randy Johnson • 2004 0.900
2. Zac Gallen • 2022 0.913
3. Curt Schilling • 2002 0.968
4. Dan Haren • 2009 1.003
5. Randy Johnson • 2001 1.009
6. Randy Johnson • 1999 1.020
7. Randy Johnson • 2002 1.031
8. Curt Schilling • 2003 1.048
9. Patrick Corbin • 2018 1.050
10. Zack Greinke • 2017 1.072
Hits per 9 IP
1. Zac Gallen • 2022 5.918
2. Robbie Ray • 2017 6.444
3. Randy Johnson • 2004 6.484
4. Randy Johnson • 2001 6.525
5. Randy Johnson • 2002 6.819
6. Randy Johnson • 1999 6.858
7. Zac Gallen • 2020 6.875
8. Brandon Webb • 2003 6.974
9. Merrill Kelly • 2023 7.244
10. Patrick Corbin • 2018 7.290
Bases On Balls per 9 IP
1. Brian Anderson • 1998 1.038
2. Curt Schilling • 2002 1.145
3. Curt Schilling • 2001 1.368
4. Dan Haren • 2009 1.491
5. Randy Johnson • 2004 1.612
6. Brian Anderson • 2000 1.645
7. Dan Haren • 2008 1.667
8. Wade Miley • 2012 1.711
9. Curt Schilling • 2003 1.714
10. Brandon Pfaadt • 2024 1.862
Strikeouts per 9 IP
1. Randy Johnson • 2001 13.410
2. Randy Johnson • 2000 12.559
3. Robbie Ray • 2019 12.132
4. Robbie Ray • 2017 12.111
5. Randy Johnson • 1999 12.059
6. Randy Johnson • 2002 11.562
7. Robbie Ray • 2016 11.254
8. Patrick Corbin • 2018 11.070
9. Curt Schilling • 2002 10.967
10. Zac Gallen • 2024 10.667
Games Played
1. Óscar Villarreal • 2003 86
2. Randall Delgado • 2016 79
3. Byung-Hyun Kim • 2001 78
Brad Ziegler • 2013 78
5. Andrew Chafin • 2018 77
Andrew Chafin • 2019 77
Chad Qualls • 2008 77
Brad Ziegler • 2012 77
9. Archie Bradley • 2018 76
Mike Koplove • 2004 76
Saves
1. José Valverde • 2007 47
2. J.J. Putz • 2011 45
3. Fernando Rodney • 2017 39
4. Byung-Hyun Kim • 2002 36
5. Brad Boxberger • 2018 32
J.J. Putz • 2012 32
Addison Reed • 2014 32
8. Gregg Olson • 1998 30
Brad Ziegler • 2015 30
10. Matt Mantei • 2003 29
Innings Pitched
1. Randy Johnson • 1999 271.2
2. Randy Johnson • 2002 260.0
3. Curt Schilling • 2002 259.1
4. Curt Schilling • 2001 256.2
5. Randy Johnson • 2001 249.2
6. Randy Johnson • 2000 248.2
7. Randy Johnson • 2004 245.2
8. Brandon Webb • 2007 236.1
9. Brandon Webb • 2006 235.0
10. Andy Benes • 1998 231.1
Strikeouts
1. Randy Johnson • 2001 372
2. Randy Johnson • 1999 364
3. Randy Johnson • 2000 347
4. Randy Johnson • 2002 334
5. Curt Schilling • 2002 316
6. Curt Schilling • 2001 293
7. Randy Johnson • 2004 290
8. Patrick Corbin • 2018 246
9. Robbie Ray • 2019 235
10. Dan Haren • 2009 223
Games Started
1. Randy Johnson • 1999 35
Randy Johnson • 2000 35
Randy Johnson • 2002 35
Randy Johnson • 2004 35
Curt Schilling • 2001 35
Curt Schilling • 2002 35
Brandon Webb • 2004 35
8. Andy Benes • 1998 34
Doug Davis • 2009 34
Zac Gallen • 2023 34
Randy Johnson • 2001 34
Brandon Webb • 2007 34
Brandon Webb • 2008 34
Home Runs
1. Brian Anderson • 1998 39
2. Brian Anderson • 2000 38
3. Rodrigo López • 2010 37
Curt Schilling • 2001 37
5. Javier Vázquez • 2005 35
6. Andy Benes • 1999 34
Liván Hernández • 2007 34
8. Rubby De La Rosa • 2015 32
9. Casey Fossum • 2004 31
Rick Helling • 2002 31
Bases on Balls
1. Brandon Webb • 2004 119
2. Doug Davis • 2009 103
3. Doug Davis • 2007 95
4. Miguel Batista • 2006 84
Robbie Ray • 2019 84
6. Andy Benes • 1999 82
7. Zack Godley • 2018 81
8. Omar Daal • 1999 79
Liván Hernández • 2007 79
10. Randy Johnson • 2000 76
Steve Randolph • 2004 76
Hits
1. Liván Hernández • 2007 247
2. Curt Schilling • 2001 237
3. Miguel Batista • 2006 231
4. Brandon Webb • 2005 229
5. Rodrigo López • 2010 227
6. Brian Anderson • 2000 226
7. Javier Vázquez • 2005 223
8. Brian Anderson • 1998 221
Andy Benes • 1998 221
10. Curt Schilling • 2002 218
Strikeouts / Base On Balls
1. Curt Schilling • 2002 9.576
2. Curt Schilling • 2001 7.513
3. Randy Johnson • 2004 6.591
4. Curt Schilling • 2003 6.062
5. Dan Haren • 2009 5.868
6. Randy Johnson • 2001 5.239
7. Randy Johnson • 1999 5.2
8. Dan Haren • 2008 5.15
9. Patrick Corbin • 2018 5.125
10. Zack Greinke • 2017 4.778
Home Runs per 9 IP
1. Brandon Webb • 2007 0.457
2. Brandon Webb • 2008 0.516
3. Brandon Webb • 2006 0.574
4. Miguel Batista • 2002 0.585
5. Brandon Webb • 2003 0.598
6. Miguel Batista • 2003 0.605
7. Wade Miley • 2012 0.647
8. Randy Johnson • 2004 0.659
9. Omar Daal • 1998 0.664
10. Zac Gallen • 2024 0.667
Losses
1. Rodrigo López • 2010 16
Brandon Webb • 2004 16
3. Willie Blair • 1998 15
Madison Bumgarner • 2022 15
Casey Fossum • 2004 15
Robbie Ray • 2016 15
Javier Vázquez • 2005 15
8. Doug Davis • 2009 14
Randy Johnson • 2004 14
Merrill Kelly • 2019 14
Earned Runs
1. Liván Hernández • 2007 112
2. Rodrigo López • 2010 111
3. Andy Benes • 1999 106
Javier Vázquez • 2005 106
5. Miguel Batista • 2006 105
Casey Fossum • 2004 105
7. Andy Benes • 1998 102
8. Brian Anderson • 1998 100
Armando Reynoso • 2000 100
10. Elmer Dessens • 2003 99
Wild Pitches
1. Trevor Cahill • 2013 17
Zack Godley • 2018 17
Brandon Webb • 2004 17
4. Ian Kennedy • 2010 16
5. Miguel Batista • 2006 14
Brandon Webb • 2005 14
7. Patrick Corbin • 2013 13
Zack Godley • 2017 13
Dan Haren • 2009 13
Edwin Jackson • 2010 13
Wade Miley • 2013 13
Hit By Pitch
1. Randy Johnson • 2001 18
2. Ian Kennedy • 2012 14
Micah Owings • 2007 14
4. Randy Johnson • 2002 13
Brandon Webb • 2003 13
6. Zac Gallen • 2022 12
Zack Godley • 2018 12
Micah Owings • 2008 12
Brandon Webb • 2008 12
10. Madison Bumgarner • 2021 11
Trevor Cahill • 2012 11
Juan Cruz • 2006 11
Brandon Webb • 2004 11
Batters Faced
1. Randy Johnson • 1999 1079
2. Randy Johnson • 2002 1035
3. Curt Schilling • 2001 1021
4. Curt Schilling • 2002 1017
5. Randy Johnson • 2000 1001
6. Randy Johnson • 2001 994
7. Andy Benes • 1998 979
8. Brandon Webb • 2007 975
9. Randy Johnson • 2004 964
10. Brandon Webb • 2006 950
Games Finished
1. Byung-Hyun Kim • 2002 66
2. José Valverde • 2007 59
3. Addison Reed • 2014 55
4. Fernando Rodney • 2017 53
5. J.J. Putz • 2011 52
J.J. Putz • 2012 52
7. Brandon Lyon • 2008 50
8. Gregg Olson • 1998 49
9. Mark Melancon • 2022 48
10. Brad Ziegler • 2015 46
Adjusted ERA+
1. Randy Johnson • 2002 195
2. Randy Johnson • 2001 188
3. Randy Johnson • 1999 184
4. Randy Johnson • 2000 181
5. Randy Johnson • 2004 176
6. Brandon Webb • 2003 165
7. Zac Gallen • 2020 164
8. Robbie Ray • 2017 163
9. Curt Schilling • 2003 159
10. Zac Gallen • 2022 158
Brandon Webb • 2007 158
Fielding Independent Pitching
1. Randy Johnson • 2001 2.13
2. Randy Johnson • 2004 2.30
3. Curt Schilling • 2002 2.40
4. Patrick Corbin • 2018 2.47
5. Randy Johnson • 2000 2.53
6. Randy Johnson • 2002 2.66
Curt Schilling • 2003 2.66
8. Zac Gallen • 2024 2.75
9. Randy Johnson • 1999 2.76
10. Dan Haren • 2008 3.01
Adj. Pitching Runs
1. Randy Johnson • 1999 61
2. Randy Johnson • 2001 57
3. Randy Johnson • 2002 56
4. Randy Johnson • 2000 53
5. Curt Schilling • 2001 48
6. Randy Johnson • 2004 46
7. Brandon Webb • 2007 40
8. Brandon Webb • 2006 39
9. Curt Schilling • 2002 37
10. Dan Haren • 2009 33
Brandon Webb • 2003 33
Adj. Pitching Wins
1. Randy Johnson • 1999 6.4
2. Randy Johnson • 2002 6.2
3. Randy Johnson • 2001 6.1
4. Randy Johnson • 2000 5.5
5. Curt Schilling • 2001 5.1
6. Randy Johnson • 2004 4.9
7. Brandon Webb • 2007 4.2
8. Brandon Webb • 2006 4.0
9. Curt Schilling • 2002 3.9
10. Dan Haren • 2009 3.5
Base-Out Runs Saved (RE24) †
1. Randy Johnson • 1999 65.56
2. Randy Johnson • 2001 65.03
3. Randy Johnson • 2002 60.19
4. Randy Johnson • 2000 55.82
5. Curt Schilling • 2001 52.93
6. Randy Johnson • 2004 43.60
7. Curt Schilling • 2002 41.91
8. Brandon Webb • 2006 36.98
9. Brandon Webb • 2007 36.36
10. Zac Gallen • 2022 35.75
Win Probability Added (WPA) †
1. Randy Johnson • 2001 6.2
2. Randy Johnson • 2002 6.0
3. Randy Johnson • 2000 5.9
4. Curt Schilling • 2001 5.8
5. Randy Johnson • 1999 5.7
6. Curt Schilling • 2002 4.5
7. Ian Kennedy • 2011 4.3
8. Zac Gallen • 2022 4.0
9. Brad Ziegler • 2013 3.8
10. Randy Johnson • 2004 3.7
Sit. Wins Saved (WPA/LI) †
1. Randy Johnson • 2001 6.0
2. Randy Johnson • 2004 5.9
3. Curt Schilling • 2002 5.6
4. Randy Johnson • 1999 5.2
5. Randy Johnson • 2000 4.9
6. Randy Johnson • 2002 4.3
7. Curt Schilling • 2001 3.9
Brandon Webb • 2006 3.9
9. Patrick Corbin • 2018 3.8
10. Zac Gallen • 2022 3.7
Brandon Webb • 2007 3.7
Championship WPA (cWPA) †
1. Randy Johnson • 2001 6.2
2. Curt Schilling • 2001 6.0
3. Randy Johnson • 2000 4.6
4. Byung-Hyun Kim • 2001 4.0
Brandon Webb • 2007 4.0
6. Randy Johnson • 1999 3.5
7. Patrick Corbin • 2018 3.2
Ian Kennedy • 2011 3.2
Brandon Webb • 2008 3.2
10. Curt Schilling • 2002 3.1
Base-Out Wins Saved (REW) †
1. Randy Johnson • 1999 6.9
2. Randy Johnson • 2001 6.8
3. Randy Johnson • 2002 6.3
4. Randy Johnson • 2000 5.6
5. Curt Schilling • 2001 5.4
6. Randy Johnson • 2004 4.4
7. Curt Schilling • 2002 4.3
8. Zac Gallen • 2022 3.9
9. Brandon Webb • 2006 3.7
10. Brandon Webb • 2003 3.6
Brandon Webb • 2007 3.6

Data Notes